// Created: 08/27/2025, ChangJiang Ru
public class InterfaceTest1 {
    public static void main(String[] args)
    {
        ComparableCircle c1 = new ComparableCircle(6.3);
        ComparableCircle c2 = new ComparableCircle(6.3);

        int compareValue = c1.compareTo(c2);

        if(compareValue > 0)
            System.out.println("C1 more than C2");
        else if(compareValue < 0)
            System.out.println("C1 less than C2");
        else
            System.out.println("C1 equal C2");
    }
}
